I have been attempting to write a script using Image::Magick that will place one image on top of another image. Everything works fine except I cannot figure out a way to control to opacity level of the top image. My intention is to be able to speicify how see through the top image (watermark) is. The way it works now is it is completely opaque except for any color that is white. I can make that transparent but not translucent. so many attributes, so little time! There is an opacity attribut i can pass in to the Composite function but only seems to affect the background image? I need to alter the top image's opacity. 
 my $background=Image::Magick->new(magick=>"gif");
    $background->BlobToImage($binary_data);

    my $foreground=Image::Magick->new;
    $foreground->Read($watermark_file);
    $foreground->Transparent(color=>"white");

    $background->Composite(compose=>'Over', Image=>$foreground, x=> 1,
+ y=> 1) 

    $background->Write("gif-");
    
    $binary_data = $background->ImageToBlob();
    
    print "content-type: image/gif\n\n";
    print $binary_data;

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thanks for the help ahead of time.

In reply to Image::magick visible watermark help by bear0053

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